Question about Onkyo TX-SR806 Receiver
how long have you been using this receiver? I believe this receiver is due for servicing.
To service the receiver, get a disconnect other peripherals (DVD, cable box, etc), get a screw driver, and use it to open the receiver cover so that you gain gain access to the receiver's panel board. The panel board should have been dusty, if this is your first time of opening it.
Get a small paint brush, use it to clean off every dust on the panel. Then get some fuel, dip the paint brush into the fuel and also use it to clean the board.
Allow, the board to dry very well, cover the receiver and put it on again. By now, there should be difference.
Lastly, you might need to disconnect, all the wires on the board so that you can clean it deeply/properly. But make sure you connect the wires back to their correct position.
Posted on Sep 08, 2010
You are right about that.
Preventive Maintenance is cheaper than repair.
Talking about Preventive Maintenance,
One has to checked if the sound are heard on all
speakers with the same level.
If one channel only , look for the terminal at the
back of the receiver where it is connected and
we will troubleshoot on that channel.
if the sound is heard on all speaker same level on all
then , what you may need to do is removed all
the Input connected ( but have a note on it ).
And turn the unit ON without anything connected on all
the Inputs to identify the cause
( but speakers are all connected ).
and post what you found.
These may take some time , But i am in no hurry
while I await for your reply.
Posted on Sep 04, 2010
You are correct this is something that you want to address ASAP because you do not want to damage your receiver and/or other devices.
So most likely the noise is being caused by on of your devices grounding through the receiver inducing an audio siginal that you can hear.
Since the noise goes away the receiver built in filter is hiding the sound so you do not hear it.
To make sure that there is not a problem with the unit unplug all connections from the receiver except your speaker. This includes all HDMI connection too. So the only thing you should have connected is your speakers and the AC connection.
Now power cycle the reciever if you still have the sound then the problem is with the receiver. If not start reconnecting your devices on at a time and power cycling the unit to see if you get the sound back. This will be the device that is the problem.
Note the problem may be with a cable that you are using to connect the device. I have ran in to several cases where the HDMI cable was bad and this causes the problem.
Let me know how things go
Posted on Sep 04, 2010
This kind of crackling occurs due to dust getting accumulated in the knobs. Pleas use the vacuum cleaner to blow into the knobs and remove this fine dust.
Posted on Sep 09, 2010
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Posted on Jan 02, 2017
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